diff --git a/src/iindexer.cc b/src/iindexer.cc
index d18a55d8..ba86ecd3 100644
--- a/src/iindexer.cc
+++ b/src/iindexer.cc
@@ -71,6 +71,9 @@ struct TestIndexer : IIndexer {
 
 }  // namespace
 
+IIndexer::TestEntry::TestEntry(const std::string& path, int num_indexes)
+    : path(path), num_indexes(num_indexes) {}
+
 // static
 std::unique_ptr<IIndexer> IIndexer::MakeClangIndexer() {
   return MakeUnique<ClangIndexer>();
@@ -78,6 +81,6 @@ std::unique_ptr<IIndexer> IIndexer::MakeClangIndexer() {
 
 // static
 std::unique_ptr<IIndexer> IIndexer::MakeTestIndexer(
-    const std::vector<TestEntry>& entries) {
+    std::initializer_list<TestEntry> entries) {
   return TestIndexer::FromEntries(entries);
 }
diff --git a/src/iindexer.h b/src/iindexer.h
index 466323c0..3604f47e 100644
--- a/src/iindexer.h
+++ b/src/iindexer.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <initializer_list>
 #include <memory>
 #include <string>
 #include <vector>
@@ -22,11 +23,13 @@ struct IIndexer {
   struct TestEntry {
     std::string path;
     int num_indexes = 0;
+
+    TestEntry(const std::string& path, int num_indexes);
   };
 
   static std::unique_ptr<IIndexer> MakeClangIndexer();
   static std::unique_ptr<IIndexer> MakeTestIndexer(
-      const std::vector<TestEntry>& entries);
+      std::initializer_list<TestEntry> entries);
 
   virtual ~IIndexer() = default;
   virtual std::vector<std::unique_ptr<IndexFile>> Index(
diff --git a/src/import_pipeline.cc b/src/import_pipeline.cc
index 4e867639..18351c34 100644
--- a/src/import_pipeline.cc
+++ b/src/import_pipeline.cc
@@ -627,7 +627,7 @@ TEST_SUITE("ImportPipeline") {
   };
 
   TEST_CASE_FIXTURE(Fixture, "index request with zero results") {
-    indexer = IIndexer::MakeTestIndexer({{"foo.cc", 0}});
+    indexer = IIndexer::MakeTestIndexer({IIndexer::TestEntry{"foo.cc", 0}});
 
     MakeRequest("foo.cc");
 
@@ -639,7 +639,7 @@ TEST_SUITE("ImportPipeline") {
   }
 
   TEST_CASE_FIXTURE(Fixture, "one index request") {
-    indexer = IIndexer::MakeTestIndexer({{"foo.cc", 100}});
+    indexer = IIndexer::MakeTestIndexer({IIndexer::TestEntry{"foo.cc", 100}});
 
     MakeRequest("foo.cc");
 
@@ -651,7 +651,8 @@ TEST_SUITE("ImportPipeline") {
   }
 
   TEST_CASE_FIXTURE(Fixture, "multiple index requests") {
-    indexer = IIndexer::MakeTestIndexer({{"foo.cc", 100}, {"bar.cc", 5}});
+    indexer = IIndexer::MakeTestIndexer(
+        {IIndexer::TestEntry{"foo.cc", 100}, IIndexer::TestEntry{"bar.cc", 5}});
 
     MakeRequest("foo.cc");
     MakeRequest("bar.cc");